62040-99-7

Basic information

• Product Name: 4H-Thiopyran-4-one, tetrahydro-3,5-bis[(4-methylphenyl)methylene]-
• CAS NO: 62040-99-7
• Molecular Formula: C21H20OS
• Molecular Weight: 320.455
• Mol File: 62040-99-7.mol
• Article Data: 6

Chemical Properties

• CAS DataBase Reference: 4H-Thiopyran-4-one, tetrahydro-3,5-bis[(4-methylphenyl)methylene]-(CAS DataBase Reference)
• NIST Chemistry Reference: 4H-Thiopyran-4-one, tetrahydro-3,5-bis[(4-methylphenyl)methylene]-(62040-99-7)
• EPA Substance Registry System: 4H-Thiopyran-4-one, tetrahydro-3,5-bis[(4-methylphenyl)methylene]-(62040-99-7)

Safety Data

• Hazardous Substances Data: 62040-99-7(Hazardous Substances Data)

Upstream product

• 1072-72-6 Tetrahydrothiopyran-4-one 
• 104-87-0 4-methyl-benzaldehyde 

Downstream Products

• 70343-39-4 3,5-bis-((Ξ)-4-methyl-benzylidene)-1,1-dioxo-tetrahydro-1λ⁶-thiopyran-4-one 
• 70343-28-1 7-((Z)-4-methyl-benzylidene)-2-propyl-3-p-tolyl-2,3,3a,4,6,7-hexahydro-thiopyrano[4,3-c]pyrazole 
• 83319-89-5 7-((Z)-4-methyl-benzylidene)-1-propyl-3-p-tolyl-1,4,6,7-tetrahydro-thiopyrano[4,3-c]pyrazole 
• 69559-26-8 4-[(4,5-Dihydro-2-thiazolyl)amino]tetrahydro-3,5-bis[(4-methylphenyl)methylene]thiopyran-4-ol 
• 69559-27-9 2,3,8,9-Tetrahydro-5-(4-methylphenyl)-9-[(4-methylphenyl)methylene]-5H,6H-thiazolo-[3,2-a]thiopyrano[4,3-d]pyrimidine 
• 62040-91-9 2-[3-(4-Methyl-piperazin-1-yl)-propyl]-3-p-tolyl-7-[1-p-tolyl-meth-(Z)-ylidene]-2,3,3a,4,6,7-hexahydro-thiopyrano[4,3-c]pyrazole 

Relevant articles and documents

A convenient one-pot synthesis of thiopyrano[4,3-b]pyran derivatives under LiOH·H2O/EtOH/ultrasonic conditions

Various derivatives of thiopyrano[4,3-b]pyran structure are synthesized via a multicomponent procedure starting from tetrahydro-4H-thiopyran-4-one, aromatic aldehydes, and malononitrile. Reactions take place by the use of catalytic quantities of LiOH·Hsu

Synthesis of bis(arylmethylidene)thiopyranones and crystal structure of the phenyl derivative

A convenient method is offered for double aldol condensation of tetrahydrothiopyran-4-one with aromatic aldehydes under LiBr catalysis. An X-ray analysis verifies the proposed structures. Copyright Taylor & Francis Group, LLC.

An efficient and improved method for the synthesis of bis(arylmethylidene) thiopyranones

Double crossed aldol condensation of a variety of aromatic aldehydes with tetrahydrothiopyran-4-one in the presence of N-(trimethylsilyl)diethylamine and 5 M lithium perchlorate in diethyl ether at room temperature is described. Excellent yields of 3,5-bi